@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
:root {
    --header-height: 3rem;
    --hue-color: 250;
    --first-color: hsl(var(--hue-color), 69%, 61%);
    /* #6e57e0 */
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    /* #7d6bd6 */
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    /* #c2b6fc */
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 99%);
    --container-color: #fff;
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);
    --body-font: "Poppins", sans-serif;
    /* .5rem = 8px, 1rem = 16px, 1.5rem = 24px */
    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;
    --font-medium: 500;
    --font-semi-bold: 600;
    --mb-0-25: 0.25rem;
    --mb-0-5: 0.5rem;
    --mb-0-75: 0.75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}


/* Font size for large devices */

@media screen and (min-width: 968px) {
     :root {
        --big-font-size: 3rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: 0.875rem;
        --smaller-font-size: 0.813rem;
    }
}


/* Variables Dark Theme */

body.dark-theme {
    --first-color-second: hsl(var(--hue-color), 30%, 8%);
    --title-color: hsl(var(--hue-color), 8%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --input-color: hsl(var(--hue-color), 29%, 16%);
    --body-color: hsl(var(--hue-color), 28%, 12%);
    --container-color: hsl(var(--hue-color), 29%, 16%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
}


/* Button Dark/Light */

.nav_btns {
    display: flex;
    align-items: center;
}

.change-theme {
    font-size: 1.25rem;
    color: var(--title-color);
    margin-right: var(--mb-1);
    cursor: pointer;
}

.change-theme:hover {
    color: var(--first-color);
}


/* BASE */

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0 0 var(--header-height);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
}

h1,
h2,
h3,
h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    border-style: none;
    cursor: pointer;
}


/* REUSABLE CSS CLASSES  */

.section {
    padding: 2rem 0 4rem;
}

.section_title {
    font-size: var(--h1-font-size);
}

.section_subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
}

.section_title,
.section_subtitle {
    text-align: center;
}


/* LAYOUT  */

.container {
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: var(--body-color);
}


/* NAVBAR */

.nav {
    max-width: 968px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav_logo,
.nav_toggle {
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav_logo:hover {
    color: var(--first-color);
}

.nav_toggle {
    font-size: 1.1rem;
    cursor: pointer;
}

.nav_toggle:hover {
    color: var(--first-color);
}

@media screen and (max-width: 767px) {
    .nav_menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--body-color);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: 0.3s;
    }
}

.nav_list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.nav_link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav_link:hover {
    color: var(--first-color);
}

.nav_icon {
    font-size: 1.2rem;
}

.nav_close {
    position: absolute;
    right: 1.3rem;
    bottom: 0.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--first-color);
}

.nav_close:hover {
    color: var(--first-color-alt);
}


/* Show Menu */

.show-menu {
    bottom: 0;
}


/* Active link */

.active-link {
    color: var(--first-color);
}


/* Header Shadow */

.scroll-header {
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.15);
}


/* HOME */

.home_container {
    gap: 1rem;
}

.home_content {
    grid-template-columns: 0.5fr 3fr;
    padding-top: 3.5rem;
    align-items: center;
}

.home_social {
    display: grid;
    grid-template-columns: max-content;
    row-gap: 1rem;
}

.home_social-icon {
    font-size: 1.25rem;
    color: var(--first-color);
}

.home_social-icon:hover {
    color: var(--first-color-alt);
}

.home_blob {
    width: 200px;
    fill: var(--first-color);
}

.home_blob-img {
    width: 170px;
}

.home_data {
    grid-column: 1/3;
}

.home_title {
    font-size: var(--big-font-size);
}

.home_subtitle {
    font-size: var(--h3-font-size);
    color: var(--text-color);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.home_description {
    margin-bottom: var(--mb-2);
}

.home_scroll {
    display: none;
}

.home_scroll-button {
    color: var(--first-color);
    transition: 0.3s;
}

.home_scroll-button:hover {
    transform: translateY(0.25rem);
}

.home_scroll-mouse {
    font-size: 2rem;
}

.home_scroll-name {
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    margin-right: var(--mb-0-25);
}

.home_scroll-arrow {
    font-size: 1.25rem;
}


/* BUTTONS */

.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #fff;
    padding: 1rem;
    border-radius: 0.5rem;
    font-weight: var(--font-medium);
}

.button:hover {
    background-color: var(--first-color-alt);
}

.button_icon {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: 0.3s;
}

.button--flex {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}


/* ABOUT */

.about_img {
    width: 200px;
    border-radius: 0.5rem;
    justify-self: center;
    align-self: center;
}

.about_description {
    text-align: center;
    margin-bottom: var(--mb-1-5);
}

.about_info-title {
    font-size: var(--h2-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--first-color);
}

.about_button {
    display: flex;
    justify-content: center;
}


/* SKILLS  */

.skills_container {
    row-gap: 0;
}

.skills_header {
    display: flex;
    align-items: center;
    margin-bottom: var(--mb-2-5);
    cursor: pointer;
}

.skills_icon,
.skills_arrow {
    font-size: 2rem;
    font-weight: bolder;
    color: var(--first-color);
}

.skills_icon {
    margin-right: var(--mb-0-75);
}

.skills_title {
    font-size: var(--h3-font-size);
}

.skills_subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.skills_arrow {
    margin-left: auto;
    transition: 0.4s;
}

.skills_list {
    row-gap: 1.5rem;
    padding-left: 2.7rem;
}

.skills_titles {
    display: flex;
    justify-content: space-between;
    /* margin-bottom: var(--mb-0-5); */
}

.skills_name {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.single_skill_icon {
    color: var(--first-color);
    font-size: var(--h1-font-size);
}

.external-logo {
    width: var(--h1-font-size);
}

.skills_bar {
    height: 5px;
    border-radius: 0.25rem;
    background-color: var(--first-color);
}

.skills_list {
    height: 0;
    overflow: hidden;
}

.skills_open .skills_list {
    height: max-content;
    margin-bottom: var(--mb-2-5);
    transition: 0.3s;
}

.skills_open .skills_arrow {
    transform: rotate(-180deg);
}



/* QUALIFICATION */

.qualification_tabs {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2);
}

.qualification_button {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    color: var(--first-color);
    cursor: pointer;
}

.qualification_button:hover {
    color: var(--first-color);
}

.qualification_icon {
    font-size: 1.8rem;
    margin-right: var(--mb-0-25);
}

.qualification_data {
    display: grid;
    grid-template-columns: 1fr max-content 1fr;
    column-gap: 1.5rem;
}

.qualification_title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.qualification_subtitle {
    display: inline-block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-1);
}

.qualification_calendar {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

.qualification_circle {
    display: inline-block;
    width: 13px;
    height: 13px;
    background-color: var(--first-color);
    border-radius: 50%;
}

.qualification_line {
    display: block;
    width: 1px;
    height: 100%;
    background-color: var(--first-color);
    transform: translate(6px, -7px);
}

.qualification-content {
    display: block;
}

.qualification-inactive {
    display: none;
}


/* PORTFOLIO  */

.portfolio_container {
    overflow: initial;
}

.portfolio_content {
    padding: 0 2.5rem;
}

.portfolio_img {
    width: 256px;
    border-radius: 0.5rem;
    justify-self: center;
}

.portfolio_title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
}

.portfolio_description {
    margin-bottom: var(--mb-0-75);
}

.portfolio_button:hover .button_icon {
    transform: translateX(0.25rem);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    content: "";
}

.swiper-portfolio-icon {
    font-size: 2rem;
    color: var(--first-color);
}

.swiper-button-prev {
    left: -0.5rem;
}

.swiper-button-next {
    right: -0.5rem;
}

.swiper-horizontal>.swiper-pagination-bullets {
    bottom: -2.5rem;
}

.swiper-pagination-bullet-active {
    background-color: var(--first-color);
}

.swiper-button-prev,
.swiper-button-next,
.swiper-pagination-bullet {
    outline: none;
}


/* CONTACT ME  */

.contact_container {
    row-gap: 3rem;
}

.contact_info {
    display: flex;
    margin-bottom: var(--mb-2);
    align-items: flex-start;
}

.contact_icon {
    font-size: 2rem;
    color: var(--first-color);
    margin-right: var(--mb-0-75);
}

.contact_title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
}

.contact_subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.contact_content {
    background-color: var(--input-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem 0.25rem;
}

.contact_input {
    width: 100%;
    background-color: var(--input-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
    padding: 0.25rem 0.5rem 0.5rem 0;
}

.contact_label {
    font-size: var(--smaller-font-size);
    color: var(--title-color);
}

.alert_style {
    text-align: center;
    padding: 10px;
    font-size: var(--small-font-size);
    background-color: var(--first-color);
    color: #fff;
    border-radius: 0.5rem;
    display: none;
}


/* FOOTER  */

.footer {
    padding-top: 2rem;
}

.footer_container {
    row-gap: 3.5rem;
}

.footer_bg {
    background-color: var(--first-color-second);
    padding: 2rem 0 3rem;
}

.footer_title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-0-25);
}

.footer_subtitle {
    font-size: var(--small-font-size);
}

.footer_links {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.footer_title,
.footer_subtitle,
.footer_link,
.footer_social {
    color: #fff;
}

.footer_link:hover {
    color: var(--first-color-lighter);
}

.footer_social {
    font-size: 1.25rem;
    margin-right: var(--mb-1-5);
}

.footer_social:hover {
    color: var(--first-color-lighter);
}

.footer_copy {
    font-size: var(--smaller-font-size);
    text-align: center;
    color: var(--text-color-light);
    margin-top: var(--mb-3);
}


/* SCROLL UP */

.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: var(--first-color);
    opacity: 0.8;
    padding: 0 0.3rem;
    border-radius: 0.4rem;
    z-index: var(--z-tooltip);
    transition: 0.4s;
}

.scrollup:hover {
    background-color: var(--first-color-alt);
}

.scrollup_icon {
    font-size: 1.5rem;
    color: #fff;
}


/* SHOW SCROLL BUTTON */

.show-scroll {
    bottom: 5rem;
}


/* SCROLL BAR */

::-webkit-scrollbar {
    width: 0.6rem;
    background-color: var(--scroll-bar-color);
    border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color);
    border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-color-light);
}


/* MEDIA QUERIES */


/* For small devices */

@media screen and (max-width: 350px) {
    .container {
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }
    .nav_menu {
        padding: 2rem 0.25rem 4rem;
    }
    .nav_list {
        column-gap: 0;
    }
    .home_content {
        grid-template-columns: 0.25fr 3fr;
    }
    .home_blob {
        width: 180px;
    }
    .skills_title {
        font-size: var(--normal-font-size);
    }
    .qualification_data {
        gap: 0.5rem;
    }
    .portfolio-img {
        width: 200px;
    }
}


/* For medium devices */

@media screen and (min-width: 568px) {
    .home_content {
        grid-template-columns: max-content 1fr 1fr;
    }
    .home_data {
        grid-column: initial;
    }
    .home_img {
        order: 1;
        justify-self: center;
    }
    .about_container,
    .contact_container,
    .footer_container,
    .portfolio_content {
        grid-template-columns: repeat(2, 1fr);
    }
    .qualification_sections {
        display: grid;
        grid-template-columns: 0.6fr;
        justify-content: center;
    }
}

@media screen and (min-width: 768px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }
    body {
        margin: 0;
    }
    .section {
        padding: 6rem 0 2rem;
    }
    .section_subtitle {
        margin-bottom: 4rem;
    }
    .header {
        top: 0;
        bottom: initial;
    }
    .header,
    .main,
    .footer_container {
        padding: 0 1rem;
    }
    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }
    .nav_icon,
    .nav_close,
    .nav_toggle {
        display: none;
    }
    .nav_list {
        display: flex;
        column-gap: 2rem;
    }
    .nav_menu {
        margin-left: auto;
    }
    .change-theme {
        margin: 0;
    }
    .home_container {
        row-gap: 5rem;
    }
    .home_content {
        padding-top: 5.5rem;
        column-gap: 2rem;
    }
    .home_blob {
        width: 270px;
    }
    .home_scroll {
        display: block;
    }
    .home_scroll-button {
        margin-left: 3rem;
    }
    .about_container {
        column-gap: 5rem;
    }
    .about_img {
        width: 350px;
    }
    .about_description {
        text-align: initial;
    }
    .about_button {
        justify-content: initial;
    }
    .skills_container,
    .about_container {
        grid-template-columns: repeat(2, 1fr);
    }
    .qualification_tabs {
        justify-content: center;
    }
    .qualification_button {
        margin: 0 var(--mb-1);
    }
    .qualification_sections {
        grid-template-columns: 0.5fr;
    }
    .portfolio_img {
        width: 320px;
    }
    .portfolio_content {
        align-items: center;
    }
    .footer_container {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer_bg {
        padding: 3rem 0 3.5rem;
    }
    .footer_links {
        flex-direction: row;
        column-gap: 1rem;
    }
    .footer_socials {
        justify-self: flex-end;
    }
    .footer_copy {
        margin-top: 4.5rem;
    }
}


/* For large devices */

@media screen and (min-width: 1024px) {
    .header,
    .main,
    .footer_container {
        padding: 0;
    }
    .home_blob {
        width: 320px;
    }
    .home_social {
        transform: translateX(-6rem);
    }
    .portfolio_content {
        column-gap: 5rem;
    }
    .swiper-portfolio-icon {
        font-size: 3.5rem;
    }
    .swiper-button-prev {
        left: -3.5rem;
    }
    .swiper-button-next {
        right: -3.5rem;
    }
    .swiper-container-horizontal>.swiper-pagination-bullets {
        bottom: -4.5rem;
    }
    .contact_form {
        width: 460px;
    }
    .contact_inputs {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* Typewriter Effect*/

@keyframes typing {
    0.0000%,
    27.3488% {
        content: "";
    }
    1.1395%,
    26.2093% {
        content: "C";
    }
    2.2791%,
    25.0698% {
        content: "Che";
    }
    3.4186%,
    23.9302% {
        content: "Chess";
    }
    30.7674%,
    51.2791% {
        content: "";
    }
    31.9070%,
    50.1395% {
        content: "P";
    }
    33.0465%,
    49.0000% {
        content: "Pod";
    }
    34.1860%,
    47.8605% {
        content: "Podca";
    }
    35.3256%,
    46.7209% {
        content: "Podcasts";
    }
    54.6977%,
    85.2093% {
        content: "";
    }
    55.8372%,
    84.0698% {
        content: "E";
    }
    56.9767%,
    82.9302% {
        content: "En";
    }
    58.1163%,
    81.7907% {
        content: "Eng";
    }
    59.2558%,
    80.6512% {
        content: "Engi";
    }
    60.3953%,
    79.5116% {
        content: "Engin";
    }
    61.5349%,
    78.3721% {
        content: "Engine";
    }
    62.6745%,
    77.2325% {
        content: "Enginee";
    }
    63.8141%,
    76.0929% {
        content: "Engineer";
    }
    64.9537%,
    74.9533% {
        content: "Engineeri";
    }
    66.0933%,
    73.8137% {
        content: "Engineering";
    }
}

@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.typewriter {
    --caret: currentcolor;
}

.typewriter::before {
    content: "";
    animation: typing 13.5s infinite;
}

.typewriter::after {
    content: "";
    border-right: 2px solid var(--caret);
    animation: blink 0.5s linear infinite;
}

.typewriter.thick::after {
    border-right: 1ch solid var(--caret);
}

.typewriter.nocaret::after {
    border-right: 0;
}

@media (prefers-reduced-motion) {
    .typewriter::after {
        animation: none;
    }
    @keyframes sequencePopup {
        0%,
        100% {
            content: "Web";
        }
        25% {
            content: "Android";
        }
        50% {
            content: "Blockchain";
        }
    }
    .typewriter::before {
        content: "Web";
        animation: sequencePopup 12s linear infinite;
    }
}